familyPolygonaceae
subfamilyPolygonaceae subfam. Eriogonoideae
genusEriogonum
subgenusEriogonum subg. Eucycla
speciesEriogonum grande
Eriogonum grande var. rubescens
Man. S. Calif. Bot., 597. 1935.
Common names: Red-flowered pacific island wild buckwheat
Endemic
Basionym: Eriogonum rubescens Greene Pittonia 1: 39. 1887
Synonyms: Eriogonum grande var. dunklei Reveal Eriogonum latifolium subsp. rubescens (Greene) S. Stokes Eriogonum latifolium var. rubescens (Greene) Munz
Treatment appears in FNA Volume 5. Treatment on page 315.
Subshrubs or herbs, 2–5 dm, occasionally floccose. Aerial flowering stems occasionally fistulose, 2–6 dm. Leaf blades 2–5(–6) × 1–3(–4.5) cm, tomentose abaxially, subglabrous adaxially. Inflorescences subcapitate to cymose, 5–15(–30) × 5–20 cm. Involucres campanulate, 5–7 × 4–6 mm. Flowers 2.5–3 mm; perianth pink to red or rose.
Phenology: Flowering Apr–Sep.
Habitat: Cliffs and bluffs, coastal grassland and scrub communities
Elevation: 10-200 m
Discussion
Variety rubescens occurs naturally on San Miguel, Santa Cruz, and Santa Rosa islands off the coast of southern California. This expression is highly attractive and frequently planted. It has yet to be found naturalized on the mainland.
Selected References
None.
Lower Taxa
None.